common dog-violet vs Tiger

Viola riviniana compared with Panthera tigris

Key Differences

• common dog-violet is Least Concern while Tiger is Endangered.

Taxonomic Classification

Rank	common dog-violet	Tiger
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Magnoliopsida (モクレン綱)	Mammalia (哺乳類)
Order	Malpighiales (キントラノオ目)	Carnivora (ネコ目)
Family	Violaceae	Felidae (Cats)
Genus	Viola	Panthera (Big Cats)
Species	Viola riviniana	Panthera tigris

Conservation Status

common dog-violet

LC — Least Concern

Tiger

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute	common dog-violet	Tiger
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	3.0 m
Average Weight	—	220.0 kg

Habitat & Geographic Range

common dog-violet

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Europe (7 countries), North America (Canada), and Oceania and the Pacific (Australia).

Tiger

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

common dog-violet

<em>Viola riviniana</em>, the common dog-violet, is a perennial herbaceous plant in the family Violaceae. This species is widely distributed across Europe, including records from seven European countries, as well as Canada and Australia, where it occupies diverse terrestrial habitats such as woodlands, hedgerows, grasslands, and moorlands. The common dog-violet is characterized by its heart-shaped leaves and violet-blue, spurred flowers that typically bloom from spring through early summer. Unlike many violets, its flowers are unscented. <em>Viola riviniana</em> often spreads both by seed and vegetatively via rhizomes, forming patches in suitable habitats. This species is an important larval food plant for several fritillary butterfly species, making it ecologically significant for butterfly conservation in Britain and Europe. It generally favors well-drained, slightly acidic soils in partially shaded environments. The common dog-violet is assessed as Least Concern, with stable populations across most of its range. Its adaptation to a variety of woodland and grassland habitats contributes to its widespread occurrence.

Tiger

地球上最大の野生ネコ科動物で、体重が300kgを超えることもあり、ロシア極東から東南アジアにかけての森林に生息する。まだら光の中で擬態効果を持つ独特のオレンジと黒の縞模様の毛皮を持つ単独待ち伏せ型捕食者である。密猟と森林破壊により野生個体数が4,000頭未満に減少した深刻な危機（CR）種である。